AD_TOP is product in Aplication, which is under directory APPL_TOP/ad/11.5.0.

This top contains Utilities & program code, which is very frequently used by DBA's. So

where are these utilities or program are in file systemAD_TOP/b in.

Some of the AD Utilties are:

AD Utility

AD Utilities are a group of tools designed to install, upgrade, maintain, and patch

applications.

ADPATCH

is a utility that is used to apply individual patches, mini-packs, or maintenance packs to

an Oracle Applications instance.

ADADMIN

AD Administration (adadmin) is used performs maintenance/administration tasks on an
Oracle Appls Instance. Task associated with adadmin are divided into two broad
categories database and file system task.

You can run adadmin by typing adadmin at the command pront after seeting the

environment.

$adadmin

At the time of execution adadmin prompts you to verify and enter several information
pertaining to your applications installation like APPL_TOP location, ORACLE_HOME,
adadmin log file name, batch size etc.

Adadmin can also be run in a non-interactive mode. This is accomplished by creating a

defaults file. The defaults file must be place at the location $APPL_TOP/admin/[sid]/

You can create the defaults file with the following syntax

$adadmin deafultsfile=$APPL_TOP/admin/[sid]/samtask.txt

Next time you can run adadmin for the same task by specifying the interactive=no option.

First two options are related to maintaining applications file system the second twooptions relate to database activities, the fifth option here is used to put the system inmaintenance mode and bring it back from maintenance mode.

Under the Generate Applications Files Menu you can perform the following tasks

Maintenance mode should normally be enabled when patching
Oracle Applications and disabled when users are logged on
to the system. See the Oracle Applications Maintenance
Utilities manual for more information about maintenance mode.

If you noitice the message this menu selection also shows the maintenance status
(disabled in our case) of the system.
You can also forcefully exit adadmin at any point of time by typing 'abort'. This will
however result in a unclean exit of adadmin and the next time when you run adadmin you
will be prompted with the option to start fresh or continue with the previous session as
described earlier.

Location of log files \u2013$APPL_TOP/admin/<SID>/log.

ADCTRL

Utility to determine status of worker (started by adpatch, adadmin) and to control

(restart/drop/skip) workers.

Reviewing Worker Status

When you select option 1 to show worker status, AD Controller displays a summary of